[ https://issues.apache.org/jira/browse/PARQUET-431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julien Le Dem resolved PARQUET-431. ----------------------------------- Resolution: Fixed Issue resolved by pull request 313 [https://github.com/apache/parquet-mr/pull/313] > Make ParquetOutputFormat.memoryManager volatile > ----------------------------------------------- > > Key: PARQUET-431 > URL: https://issues.apache.org/jira/browse/PARQUET-431 > Project: Parquet > Issue Type: Bug > Components: parquet-mr > Affects Versions: 1.8.0, 1.8.1 > Reporter: Liwei Lin > Assignee: Liwei Lin > Fix For: 1.9.0 > > > Currently ParquetOutputFormat.getRecordWriter() contains an unsynchronized > lazy initialization of the non-volatile static field *memoryManager*. > Because the compiler or processor may reorder instructions, threads are not > guaranteed to see a completely initialized object, when > ParquetOutputFormat.getRecordWriter() is called by multiple threads. > This ticket proposes to make *memoryManager* volatile to correct the problem. -- This message was sent by Atlassian JIRA (v6.3.4#6332)